Orthophyia longa is a prehistoric proteid salamander from the Miocene of Europe. It is now extinct. Its modern relatives include the olm and the mudpuppies.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0